Home / 28,779,891.60-43,192,223.76-20,087,522.76

Finding the Fourth Proportional to 28,779,891.60, 43,192,223.76 and 20,087,522.76

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Solution

The fourth proportional to 28,779,891.60, 43,192,223.76 and 20,087,522.76 is: 30,146,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,891.60 : 43,192,223.76 = 20,087,522.76 : x
  2. Step 2: Convert to fraction form
    28,779,891.60/43,192,223.76 = 20,087,522.76/x
  3. Step 3: Cross multiply
    28,779,891.60x = 43,192,223.76 × 20,087,522.76
  4. Step 4: Simplify right side
    28,779,891.60x = 867,624,777,834,012.75
  5. Step 5: Solve for x
    x = 867,624,777,834,012.75/28,779,891.60
  6. Step 6: Final answer
    x = 30,146,909.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.